Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Guillermo Calleja, LMHC

Individual provider Mental Health Counselor · NPI 1154835502

Mr. Guillermo Calleja, LMHC is a Mental Health Counselor in Great Neck, New York. Licensed in New York. Registered with an NPI since 2017.

Licensed in
NY
In the registry since
2017
Specialties on file
2
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

11 Grace Ave Ste 204
Great Neck, NY 11021-2417
Phone: (917) 680-3882
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X · Licence 003916 (NY)
Mental Health Counselor Taxonomy 101YM0800X · Licence 003916 (NY)

Record details

NPI number1154835502
Entity typeIndividual (Type 1)
GenderMale
Credentials LMHC
Sole proprietorNo
NPI enumeratedNovember 21, 2017
Last updated in NPPESNovember 21, 2017

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